For two years there had been fierce underground fighting at Hill 60 and elsewhere, when our tunnelers saw the Germans had listened to one another’s workings, racing to strike through first to their enemies’ galleries and touch off their high-explosive charges. Our miners, aided by the magnificent work of Australian and Canadian tunnelers, had beaten the enemy into sheer terror of their method of fighting and they had abandoned it, believing that we had also. But we did not, as they found to their cost.